| 2026.1 | 2223.7 | 20 | 20 | Simpson, M (Michael) | FM | NBR | 2169.5 | 1928.6 | USSA Chess Championships 2024 (Blitz) | 6 | 2024-12-01 | B | B | 1 | 0.29 | 0.71 | 2.6 | 0.8 | 0.2 | 4 |
| 2033.4 | 1807 | 20 | 20 | Simpson, M (Michael) | FM | NBR | 2179.2 | 1873.7 | Midvaal Winter Classic 13 July 2024 (A) | 5 | 2024-07-13 | R | B | 0 | 0.29 | -0.29 | -3.5 | 0.38 | -0.38 | -7.6 |
| 1934.4 | 1749.7 | 20 | 20 | Simpson, M (Michael) | FM | NBR | 2036.6 | 1603 | 2022 South Africa Junior Blitz Chess Championships (U16+U18) | 7 | 2022-12-05 | B | W | 1 | 0.42 | 0.58 | 2.1 | 0.71 | 0.29 | 5.8 |
| 1853.3 | 1852 | 20 | 20 | Simpson, M (Michael) | FM | NBR | 1851.6 | 1854.2 | Heidelberg Open 2022 (A) | 5 | 2022-02-05 | S | B | 1 | 0.46 | 0.54 | 9 | 0.46 | 0.54 | 10.8 |
| 1848.7 | 1845.3 | 20 | 20 | Simpson, M (Michael) | FM | NBR | 1758.4 | 1753.5 | 2022 Tshwane Chess Open Registration Tournament (A) | 3 | 2022-01-29 | S | W | 1 | 0.65 | 0.35 | 5.8 | 0.65 | 0.35 | 7 |
| 1826.7 | 1442 | 20 | 20 | Simpson, M (Michael) | FM | NBR | 1818.2 | 1143.6 | Waterkloof end of Year Blitz 2019 | 5 | 2019-10-17 | B | B | 1 | 0.47 | 0.53 | 1.9 | 0.81 | 0.19 | 3.8 |
| 1802.3 | 1788.4 | 20 | 20 | Simpson, M (Michael) | FM | NBR | 1643 | 1629.8 | Bishop Bavin Open 2019 (A) | 3 | 2019-08-17 | S | B | 1 | 0.64 | 0.36 | 6 | 0.64 | 0.36 | 7.2 |
| 1802.3 | 1788.4 | 20 | 20 | Simpson, M (Michael) | FM | NBR | 1643 | 1629.8 | 2019 Alekhine Open (A) | 2 | 2019-08-09 | S | B | 0.5 | 0.64 | -0.14 | -2.8 | 0.64 | -0.14 | -2.8 |
| 1779.2 | 1763.8 | 20 | 20 | Simpson, M (Michael) | FM | NBR | 1624.6 | 1599.6 | Boksburg Chess Club Open 2019 (A) | 4 | 2019-07-13 | S | B | 0.5 | 0.64 | -0.14 | -2.3 | 0.65 | -0.15 | -3 |
| 1777.6 | 1402 | 20 | 20 | Simpson, M (Michael) | FM | NBR | 1624.9 | 1037.2 | 2019 SWVG Arnold Classic (Blitz Prestige) | 2 | 2019-05-19 | B | W | 0 | 0.72 | -0.72 | -2.6 | 0.97 | -0.97 | -19.4 |
| 1650.2 | 1287.7 | 20 | 20 | Simpson, M (Michael) | FM | NBR | 1592.2 | 737.2 | Tembisa Libraries Chess Challenge 2018 | 6 | 2018-12-08 | R | W | 0 | 0.61 | -0.61 | -4.8 | 1 | -1 | -20 |
